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dhcpd: remember and record hostnames; optimize get_option

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dumpleases: show hostnames

function                                             old     new   delta
add_lease                                            230     292     +62
send_offer                                           403     421     +18
send_ACK                                             232     249     +17
read_leases                                          249     258      +9
dumpleases_main                                      604     609      +5
nobody_responds_to_arp                                84      86      +2
udhcp_end_option                                      32      30      -2
udhcp_get_option                                     222     171     -51
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 6/2 up/down: 113/-53)            Total: 60 bytes
This commit is contained in:
Denis Vlasenko
2009-04-01 12:36:09 +00:00
parent 3266aa9ec2
commit bd79c3d337
8 changed files with 145 additions and 120 deletions
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10
networking/udhcp/dhcpd.h
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@@ -74,8 +74,6 @@ struct server_config_t {
#define SERVER_PORT 67
#endif
extern struct dhcpOfferedAddr *leases;
/*** leases.h ***/
@@ -92,9 +90,15 @@ struct dhcpOfferedAddr {
* and optionally adjusted (current time subtracted)
* if server_config.remaining = 1 */
leasetime_t expires;
uint8_t hostname[20]; /* (size is a multiply of 4) */
};
struct dhcpOfferedAddr *add_lease(const uint8_t *chaddr, uint32_t yiaddr, leasetime_t leasetime) FAST_FUNC;
extern struct dhcpOfferedAddr *leases;
struct dhcpOfferedAddr *add_lease(
const uint8_t *chaddr, uint32_t yiaddr,
leasetime_t leasetime, uint8_t *hostname
) FAST_FUNC;
int lease_expired(struct dhcpOfferedAddr *lease) FAST_FUNC;
struct dhcpOfferedAddr *find_lease_by_chaddr(const uint8_t *chaddr) FAST_FUNC;
struct dhcpOfferedAddr *find_lease_by_yiaddr(uint32_t yiaddr) FAST_FUNC;